Certificate of Analysis

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Calicheamicin

Molecular Formula:	C₅₅H₇₄IN₃O₂₁S₄
Molecular Weight:	1368.35
CAS No.:	108212-75-5
Storage (From the date of receipt):	3 years -20°C powder
Storage (From the date of receipt):	1 year -80°C in solvent
Image:

HPLC: 98.19% purity | NMR: Consistent with structure